document.write( "Question 192692: The mean weight of adult mountain lions is 150lbs with a standard deviation of 8 lbs. A random sample of 50 mountain lions is selected.\r
\n" );
document.write( "\n" );
document.write( "a) What is the probability that the mean weight of the sample is less that 150 lbs?
\n" );
document.write( "b) What is the probability that the mean weight of the sample is between 149 and 151 lbs?
\n" );
document.write( "c) What is the probability that the mean weight of the sample is more than 153lbs?\r
\n" );
document.write( "\n" );
document.write( "What is the standard deviation of the sampling distribution? \n" );
document.write( "
Algebra.Com's Answer #145167 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The mean weight of adult mountain lions is 150lbs with a standard deviation of 8 lbs. A random sample of 50 mountain lions is selected. \n" ); document.write( "a) What is the probability that the mean weight of the sample is less that 150 lbs? Ans: 0.5000 \n" ); document.write( "---------------------------- \n" ); document.write( "b) What is the probability that the mean weight of the sample is between 149 and 151 lbs? Ans: 0.09948... \n" ); document.write( "------------------------------------------- \n" ); document.write( "c) What is the probability that the mean weight of the sample is more than 153lbs? 0.35393.. \n" ); document.write( "------------------------------------------- \n" ); document.write( "What is the standard deviation of the sampling distribution? \n" ); document.write( "Ans: 8/sqrt(50) = 1.13137.. \n" ); document.write( "================================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |